frigid, frosty, frozen, glacial, icy, wintry -- (devoid of warmth and cordiality; expressive of unfriendliness or disdain; "a frigid greeting"; "got a frosty reception"; "a frozen look on their faces"; "a glacial handshake"; "icy stare"; "wintry smile")
arctic, frigid, gelid, glacial, icy, polar -- (extremely cold; "an arctic climate"; "a frigid day"; "gelid waters of the North Atlantic"; "glacial winds"; "icy hands"; "polar weather")
icy -- (covered with or containing or consisting of ice; "icy northern waters")
icy -- (shiny and slick as with a thin coating of ice; "roads and trees glazed with an icy film")